guard uninited semaphore use in IRQ
guard uninited semaphore use in IRQ

madcowswe/ODriveFirmware,madcowswe/ODrive,madcowswe/ODriveFirmware,madcowswe/ODriveFirmware,madcowswe/ODrive,madcowswe/ODrive,madcowswe/ODrive,madcowswe/ODriveFirmware,madcowswe/ODrive